import axios from 'axios';
import router from '../router/index';

axios.defaults.timeout = 5000; //超时时间 5秒
axios.defaults.withCredentials = true; //允许跨域
//Content-type 响应头
axios.defaults.headers.post['Content-type'] = 'application/x-www-form-urlencoded;charset=UTF-8';
//基础url
axios.defaults.baseURL = "http://localhost:8081";

//相应拦截器
axios.interceptors.response.use(
	response => {
		//如果response里面的status是200，说明访问到接口，否则错误
		if (response.status == 200) {
			return response.data; //直接返回数据部分
		} else {
			return Promise.reject(response);
		}
	},
	error => {
		if (error.response) {
			switch (error.response.status) {
				case 401: //未登录
					router.replace({
						path: '/login',
						query: {
							redirect: router.currentRoute.fullPath
						}
					});
					break;
				case 404: //未找到
					break;
			}
			return Promise.reject(error.response);
		}
		return Promise.reject(error);
	}
);

/**
 * 封装一个get方法
 * 
 */
export function get(url, params = {}) {
	return new Promise((resolve, reject) => {
		axios.get(url, {params: params})
			.then(response => {
				resolve(response.data);
			})
			.catch(error => {
				reject(error);
			})
	});
}

/**
 * 封装一个post方法
 * 
*/
export function post(url, data = {}) {
	return new Promise((resolve, reject) => {
		axios.post(url, data)
			.then(response => {
				resolve(response.data);
			})
			.catch(error => {
				reject(error);
			})
	});
}